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19th century glass harp. The earliest instance of a glass instrument being used in concert music was noted in 1732, with records stating that a series of partially-filled wine glasses were tapped with a muffled stick to perform concertos with supporting instrumentation from bass and violins.
Bruno Hoffmann (1988) Bruno Hoffmann (15 September 1913 – 11 April 1991) was a German glass harpist.Hoffmann is widely acknowledged as the virtuoso who reanimated contemporary interest in the glass harp and glass harmonica.
Man with glasses. A woman with glasses. Glasses, also known as eyeglasses or spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears for support.
A glass harp, an ancestor of the glass armonica, being played in Rome.The rims of wine glasses filled with water are rubbed by the player's fingers to create the notes.. The name "glass harmonica" (also "glass armonica", "glassharmonica"; harmonica de verre, harmonica de Franklin, armonica de verre, or just harmonica in French; Glasharmonika in German; harmonica in Dutch) refers today to any ...
Edward Scarlett (1688 – 1743 in London) was an English optician and instrument maker, who first invented an eyeglass frame with earhooks in 1727. This frame is held by the nose and ears, at times the glasses were called in contrast to the nasal cannula and temples because they had short straps that pressed on the temple.
Ibn al-Haytham (Alhacen) wrote about the effects of pinhole, concave lenses, and magnifying glasses in his 11th century Book of Optics (1021 CE). [ 45 ] [ 47 ] [ 48 ] The English friar Roger Bacon , during the 1260s or 1270s, wrote works on optics, partly based on the works of Arab writers, that described the function of corrective lenses for ...
The piano was evidently destroyed during the Second World War. Piano scholar Edwin Good (1986; see References below) has examined a very similar Streicher piano made in 1870, with the goal of finding out more about Brahms's instrument. This 1870 Streicher has leather (not felt) hammers, a rather light metal frame (with just two tension bars), a ...
When the piano was invented in 1700, it failed to catch the public's attention due to its expense and the fact that the harpsichord was the preferred instrument of the time. Very few people knew of the piano until after the Seven Years' War when a young man named Johannes Zumpe fled Germany for London. While there he refined Cristofori's piano ...